6578491 has 8 divisors (see below), whose sum is σ = 6774768. Its totient is φ = 6384000.

The previous prime is 6578461. The next prime is 6578513. The reversal of 6578491 is 1948756.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6578491 - 2¹⁹ = 6054203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6578431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11236 + ... + 11806.

It is an arithmetic number, because the mean of its divisors is an integer number (846846).

Almost surely, 2^6578491 is an apocalyptic number.

6578491 is a deficient number, since it is larger than the sum of its proper divisors (196277).

6578491 is a wasteful number, since it uses less digits than its factorization.

6578491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its digits is 60480, while the sum is 40.

The square root of 6578491 is about 2564.8569160871. The cubic root of 6578491 is about 187.3737556109.

The spelling of 6578491 in words is "six million, five hundred seventy-eight thousand, four hundred ninety-one".